Airplane



FIG. 1 is a bottom view of my new invention;

FIG. 2 is a front view thereof;

FIG. 3 is a first perspective view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a second perspective view thereof. 

The ornamental design for an airplane, as shown and described. 